蝶ちょう番つがい

noun

hinge

General term for a hinge, such as on a door or lid. In the construction industry, 丁番 (ちょうばん) is especially common.

• ドアの蝶ちょう番つがいがきしむので油あぶらをさした。

  The door hinge was squeaking, so I oiled it.

• この棚たなの蝶ちょう番つがいはステンレス製せいだ。

  The hinges on this shelf are made of stainless steel.

noun

anatomical joint

Only with reading ちょうつがい

Used especially for anatomical joints, such as the elbow or knee. Restricted to the reading ちょうつがい.

• 肘ひじの蝶ちょう番つがいを痛いためてしまった。

  I hurt my elbow joint.